Absorber in a sheet form and absorber product using the same
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United States of America Patent
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N/A
Issued Date -
Nov 4, 2004
app pub date -
Jan 20, 2004
filing date -
Jul 23, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An absorbent sheet having concave and convex portions on its surface and spontaneously exhibiting a three-dimensional structure in that a concave-convex structure is formed wherein when the difference in level between the concave and the convex portion is A mm in a state where water is not absorbed (dry state) the difference in level between the concave and the convex portion becomes 2A or more after water is absorbed, due to the bulging in parts caused by absorption of water and resultant swelling.
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